Diamond X-30N Dual Band 2m & 70cm Ham Base Antenna 3/5.5dB Gain, 150W, N-Type, Pre-Tuned, 1.3m

The Diamond X-30N is a compact, pre-tuned, dual-band fibreglass base station antenna for 2-metre and 70cm amateur radio use — one of the most popular and trusted dual-band base antennas in the amateur radio market. With a gain of 3 dB on 2m and 5.5 dB on 70cm, 150W power handling, and a 1/2-wave (2m) / 2 x 5/8-wave (70cm) design, it delivers excellent omnidirectional performance on both bands from a single compact 1.3m antenna. The N-type connector ensures low-loss, weatherproof connectivity. Fully weatherproofed fibreglass construction with mast mounting brackets included. Rated to withstand wind velocities of 60 m/s. Mounts on masts of 30–62mm diameter.

Key Features

• Dual band: 2m & 70cm - 144/430MHz
• Gain: 3 dB (2m) / 5.5 dB (70cm)
• 150W power handling
• 1/2-wave (2m) / 2 x 5/8-wave (70cm) design
• N-type connector for low-loss, weatherproof connection
• Pre-tuned — no adjustment required
• Fully weatherproofed fibreglass construction
• Mast mounting brackets included
• Radial length: 19cm
• Mast diameter: 30–62mm
• Wind rating: 60 m/s
• Length: 1.3m | Weight: 0.8kg
• Made by Diamond Antenna (Japan)

Technical Specifications

• Type: Dual band fibreglass base antenna
• Frequency: 2m & 70cm
• Gain: 3 dB (2m) / 5.5 dB (70cm)
• Max power: 150W
• Design: 1/2-wave (2m) / 2 x 5/8-wave (70cm)
• Connector: N-type
• Length: 1.3m
• Radial length: 19cm
• Weight: 0.8kg
• Mast diameter: 30–62mm
• Wind rating: 60 m/s
• Country of origin: Japan